/Engine/Plugins/Runtime/MassGameplay/Source/MassSignals/Public/MassSignalSubsystem.h
Retrieve the delegate dispatcher from the signal name
[UE::MassSignal::FSignalDelegate](API\Plugins\MassSignals\FSignalDelegate) & GetSignalDelegateByName ( [FName](API\Runtime\Core\UObject\FName) SignalName )